Curated OER
Math Jeopardy: Basic Skills
Learners play a PowerPoint activity to be used as a review of basic skills for order of operations, and the operations of addition, subtraction, multiplication, and division for whole numbers, some fractional numbers and integers....
Curated OER
Addition Up To 20: Missing Facts
In this addition up to twenty worksheet, students use their knowledge of addition facts fo fill in the missing numbers in two addition charts.
Curated OER
Subtracting Two- and Three-Digit Numbers
For this subtracting two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to fourteen subtraction equations.
Curated OER
Addition - 2 digit addition sheet 1
In this addition worksheet, students add two digit numbers with and without regrouping. Students complete 30 two digit addition problems.
Curated OER
Addition: Two Digits
In this addition with two digits instructional activity, students solve thirty 2 digit addition problems printed horizontally, with the reminder to add in their heads, bigger number first.
Curated OER
Addition Up to 12, Sheet 2
In this addition worksheet, students complete a set of 20 problems, adding to number 12. A reference web site is given for additional activities.
Curated OER
Addition Up To 12, Sheet 6
In this addition worksheet, students complete a total of 24 problems, adding number to 12. A reference web site is given for additional activities.
Curated OER
Addition - up to 20 sheet 5
For this addition worksheet, students complete missing addend problems where they plug in numbers 1 - 20. Students complete 40 problems.
Curated OER
Addition - up to 20 sheet 7
In this addition worksheet, students add one and two digit numbers up to the number 20 in the addition charts. Students complete 95 problems.
Curated OER
Addition: Adding On Ones
In this addition-adding on ones worksheet, students complete thirty problems by adding a different number of ones to a two digit number.
Curated OER
Addition-Up to 20 (Sheet #2)
In this addition worksheet, students practice their adding skills. Students complete the worksheet by filling in the missing number in each of the forty addition problems.
Curated OER
Addition Up to 12-Sheet 5
In this addition instructional activity, students complete a total of 24 problems, filling in missing numbers, either addends or sums. A reference web site is given for additional activities.
Curated OER
Arithmetic: Fractions and Percentages
Young mathematicians review the basic operations needed for addition and subtraction of fractions. They review the rules for addition and subtraction of fractions with the same denominator, how to change them if the denominators are...
Utah Education Network (UEN)
Add a Quack, Quack Here
The teacher will read-aloud the book Quack and Count and call upon studens to demonstrate various sums of seven. They brainstorm a list of ideas of things that can be combined or added together. They are given unifix cubes to demonstrate...
Primary Junction
Adding Tens
Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...
Curated OER
Estimating Sums of Money
By rounding, scholars find that adding money amounts becomes a breeze! They round two and three-digit numbers (with decimals) in these addition problems to get approximate sums. For each, mathematicians write the new addition equation...
Curated OER
Ten Frame
Students add numbers to ten. In this addition to ten lesson, students play the Ten frame interactive game to learn about addition and facts to number ten.
Curated OER
Estimating Differences of Money
When it comes to money math, show scholars that estimation is their best friend. They round money values to the closest dollar, 10 dollar, and 100 dollar increments, solving 19 addition and subtraction problems with approximate answers....
Alberta Learning
Area and Perimeter of Irregular Shapes
Evaluate young mathematicians' understanding of area and perimeter with this series of three assessment tasks. Challenging learners to not only calculate the area and perimeter of irregular shapes, but to explain in writing their...
National Security Agency
Introducing Integers and Their Operations
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class to...
Curated OER
Multiplication & Division
Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...
Curated OER
Mental Arithmetic Sets 3 and 4
In this mental arithmetic worksheet, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting.
Curated OER
Addition: Two Digit Mental Addition
In this 2-digit addition worksheet, students learn how to solve 2-digit math problems in their heads instead of on paper. They then solve the 20 problems on the worksheet. The answers are on the last page.
Curated OER
"The Grapes of Math" by Gregg Tang
Students practice mental addition and use the associative and commutative properties of addition to solve problems.